Portable toilet



FIG. 1 is a front perspective view of the portable toilet;

FIG. 2 is a rear front view of the portable toilet of FIG. 1;

FIG. 3 is a top view of the portable toilet of FIG. 1;

FIG. 4 is a rear view of the portable toilet of FIG. 1;

FIG. 5 is a right side view of the portable toilet of FIG. 1; and,

FIG. 6 is a bottom view of the portable toilet of FIG. 1. 

The ornamental design for a portable toilet, as shown and described in FIGS. 1 through 6 above. 